mirror of https://github.com/k3s-io/k3s
73 lines
2.5 KiB
Go
73 lines
2.5 KiB
Go
/*
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Copyright 2019 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package fieldmanager
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import (
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"fmt"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/internal"
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)
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type buildManagerInfoManager struct {
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fieldManager Manager
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groupVersion schema.GroupVersion
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}
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var _ Manager = &buildManagerInfoManager{}
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// NewBuildManagerInfoManager creates a new Manager that converts the manager name into a unique identifier
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// combining operation and version for update requests, and just operation for apply requests.
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func NewBuildManagerInfoManager(f Manager, gv schema.GroupVersion) Manager {
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return &buildManagerInfoManager{
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fieldManager: f,
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groupVersion: gv,
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}
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}
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// Update implements Manager.
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func (f *buildManagerInfoManager) Update(liveObj, newObj runtime.Object, managed Managed, manager string) (runtime.Object, Managed, error) {
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manager, err := f.buildManagerInfo(manager, metav1.ManagedFieldsOperationUpdate)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to build manager identifier: %v", err)
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}
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return f.fieldManager.Update(liveObj, newObj, managed, manager)
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}
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// Apply implements Manager.
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func (f *buildManagerInfoManager) Apply(liveObj, appliedObj runtime.Object, managed Managed, manager string, force bool) (runtime.Object, Managed, error) {
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manager, err := f.buildManagerInfo(manager, metav1.ManagedFieldsOperationApply)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to build manager identifier: %v", err)
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}
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return f.fieldManager.Apply(liveObj, appliedObj, managed, manager, force)
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}
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func (f *buildManagerInfoManager) buildManagerInfo(prefix string, operation metav1.ManagedFieldsOperationType) (string, error) {
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managerInfo := metav1.ManagedFieldsEntry{
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Manager: prefix,
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Operation: operation,
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APIVersion: f.groupVersion.String(),
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}
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if managerInfo.Manager == "" {
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managerInfo.Manager = "unknown"
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}
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return internal.BuildManagerIdentifier(&managerInfo)
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}
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